Unit 11 Forum 6 6 unread replies. 6 6 replies. Find a video of a public speaker that you think is effective and persuasive. (Ted Talks are a great source.) Analyze the speaker's performance, consider: What elements of the presentation stood out? What was strongest: the presentation's content or the presenter's mannerisms? Did the presenter use visual aids? Did they support the presenter's content? Did the speaker engage the audience? If so, how? How can you apply these exemplars to.